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Digital Research
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Sepp J Morris
2020-11-06 18:50:37 +01:00
parent 621ed8ccaf
commit 31738079c4
8481 changed files with 1888323 additions and 0 deletions
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67
CPM OPERATING SYSTEMS/CPM 86/CONCURRENT/CCPM-86 3.1 SOURCE/D1/UDA.CIC Normal file
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;*****************************************************
;*
;* User Data Area - The User Data Area is an
;* extension of the process descriptor but it
;* travels with the user. It contains info
;* that is needed only while in context.
;*
;* While in the operating system, The Extra
;* Segment register points to the beginning
;* of the User Data Area.
;*
;*****************************************************
;u_dparam equ es:word ptr .000h ; arg to dispatch
; this area overlays part of BDOS
u_dma_ofst equ es:word ptr .002h ; BDOS dma offset
u_dma_seg equ es:word ptr .004h ; BDOS dma segment
u_func equ es:byte ptr .006h ; actual function number
;u_searchl equ es:byte ptr .007h ; BDOS search length
;u_searcha equ es:word ptr .008h ; BDOS search FCB offset
;u_searchabase equ es:word ptr .00Ah ; BDOS search user's segment
;u_dcnt equ es:word ptr .00Ch ; BDOS directory count
;u_dblk equ es:word ptr .00Eh ; BDOS directory block #
u_error_mode equ es:byte ptr .010h ; BDOS error mode
u_mult_cnt equ es:byte ptr .011h ; BDOS multi-sector count
;u_df_password equ es:byte ptr .012h ; BDOS default password
u_pd_cnt equ es:byte ptr .01Ah ; BDOS process count
uda_ovl_len equ 19h
; end of overlay area
;u_in_int equ es:byte ptr .01Bh
;u_sp equ es:word ptr .01Ch ; save register area
;u_ss equ es:word ptr .01Eh
;u_ax equ es:word ptr .020h
;u_bx equ es:word ptr .022h
;u_cx equ es:word ptr .024h
;u_dx equ es:word ptr .026h
;u_di equ es:word ptr .028h
;u_si equ es:word ptr .02Ah
;u_bp equ es:word ptr .02Ch
u_wrkseg equ es:word ptr .02Eh ; curr seg addr of buf
u_retseg equ es:word ptr .030h ; usr ES return
;u_ds_sav equ es:word ptr .032h ;\
;u_stack_sp equ es:word ptr .034h ; usr stack segment
;u_stack_ss equ es:word ptr .036h ; usr stack pointer
;u_ivectors equ es:word ptr .038h ; save int 0-4
;u_es_sav equ es:word ptr .04Ch ; > Used during interrupts
;u_flag_sav equ es:word ptr .04Eh ;/
;u_initcs equ es:word ptr .050h
;u_initds equ es:word ptr .052h
;u_inites equ es:word ptr .054h
;u_initss equ es:word ptr .056h
;u_mpm_ip equ es:word ptr .058h ; MPM vec save
;u_mpm_cs equ es:word ptr .05Ah
;u_debug_ip equ es:word ptr .05Ch ; RTS,Debug Vector Save
;u_debug_cs equ es:word ptr .05Eh
;u_insys equ es:byte ptr .060h ; # times through user_entry
;u_stat_sav equ es:byte ptr .061h
u_conccb equ es:word ptr .062h
;u_lstccb equ es:word ptr .064h
;u_delim equ es:byte ptr .066h
u_ioexerr equ es:byte ptr .067h ;extended IOS error for PCMODE